DeutschePost Website - Non Persistent Web Vulnerability

Document Title:
===============
DeutschePost Website - Non Persistent Web Vulnerability


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=261


Release Date:
=============
2012-01-26


Vulnerability Laboratory ID (VL-ID):
====================================
261


Product & Service Introduction:
===============================
Deutsche Post AG, operating under the trade name Deutsche Post DHL, is the world s largest logistics group. With its 
headquarters in Bonn, the corporation has 467,088 employees (FTE 421,270) in more than 220 countries and territories 
worldwide and generated revenue of € 51.48 billion in 2010. Deutsche Post is the successor to the German mail authority 
Deutsche Bundespost, which was privatized in 1995. Currently, 30.5% of its shares are held by the state-owned KfW 
bank, 69.5% are freely floating; 62.0% of which are held by institutional and 7.5% by private investors. Since its 
privatization, Deutsche Post has significantly expanded its business area through acquisitions. Deutsche Post is 
listed in the DAX stock market index.

(Copy from the Vendor Homepage: http://www.wikipedia.com/ )


Abstract Advisory Information:
==============================
The Vulnerability Laboratory research team discovered a non-persistent web vulnerability on the Deutsche Post vendor website.


Vulnerability Disclosure Timeline:
==================================
2011-08-01:	Vendor Notification 1
2011-09-01:	Vendor Notification 2
2011-10-01:	Vendor Notification 3
2011-**-**:	Vendor Response/Feedback
2011-**-**:	Vendor Fix/Patch 
2012-01-27:	Public or Non-Public Disclosure


Discovery Status:
=================
Published


Affected Product(s):
====================

Exploitation Technique:
=======================
Remote


Severity Level:
===============
Medium


Technical Details & Description:
================================
A non-persistent cross site scripting vulnerability is detected on the Deutsche Post vendor website & a bound exchange service.
The bug is located PLZ Search module of the deutsche post website & on the exchange plz banner service.

Vulnerable Module(s):
					[+] PLZ Search

Picture(s):
					../1.png
					../2.png
					../3.png


Proof of Concept (PoC):
=======================
CENSORED:  VENDOR PROTECTION & DISCLOSURE POLICY
QUESTIONS: [email protected]


Solution - Fix & Patch:
=======================
Restrict the input fields of the plz search & parse the output section were the string gets executed. 


Security Risk:
==============
The security risk of the non-persistent (client side) vulnerability is estimated as medium(-).


Credits & Authors:
==================
Vulnerability Research Laboratory - Benjamin Kunz Mejri (Rem0ve) & Pim J.F.P. Campers (X4lt)


Disclaimer & Information:
=========================
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may not apply. We do not approve or encourage anybody to break any vendor licenses, policies, deface websites, hack into databases 
or trade with fraud/stolen material.

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